Geology and Ore Deposits of the Summitville District, San Juan Mountains, Colorado.
Author: Thomas A. Steven
Authoring agency: Geological Survey (U.S.) (USGS)
Publication: Washington, Govt. Print. Office, 1960.
Physical description of original: iv, 70 p. illus., maps (part col.) 30 cm.
Series: Professional paper (Geological Survey (U.S.)) ; no. 343
Geology and Ore Deposits of the Summitville District, San Juan Mountains, Colorado
Attached maps:
• Plate 1 -- Reconnaissance geologic map of the Summitville district and surrounding areas
• Plate 2 -- Geologic map of the Summitville district, and section showing restored South Mountain volcanic dome
• Plate 3 -- Geologic map of the main metal-producing area of the Summitville district
• Plate 4 -- Composite map of the underground workings of the Summitville district
• Plate 5 -- Gains and losses of the major rock-forming constituents during hydrothermal alteration